CN104126061A - 2-cycle gas engine - Google Patents

2-cycle gas engine Download PDF

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Publication number
CN104126061A
CN104126061A CN201380010679.6A CN201380010679A CN104126061A CN 104126061 A CN104126061 A CN 104126061A CN 201380010679 A CN201380010679 A CN 201380010679A CN 104126061 A CN104126061 A CN 104126061A
Authority
CN
China
Prior art keywords
combustion chamber
gas
fuel
fuel gas
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380010679.6A
Other languages
Chinese (zh)
Inventor
石田裕幸
柚木晃广
三柳晃洋
平冈直大
驹田耕之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan motor Limited by Share Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of CN104126061A publication Critical patent/CN104126061A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • F02B25/06—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke the cylinder-head ports being controlled by working pistons, e.g. by sleeve-shaped extensions thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/10—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
    • F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0284—Arrangement of multiple injectors or fuel-air mixers per combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/04—Two-stroke combustion engines with electronic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/1019—Two-stroke engines; Reverse-flow scavenged or cross scavenged engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

The objective of the present invention is to provide a 2-cycle gas engine that can suppress the occurrence of NOx, PM, and black smoke during a gas driving mode. The 2-cycle gas engine is provided with: a piston (4) that demarcates a primary combustion chamber (c1) between a cylinder head (3) and the lateral wall (2a) of a cylinder (2); a fuel gas injection means (8) that injects fuel gas (8a, 8b) into the primary combustion chamber (c1); a scavenging port (6) that supplies air into the primary combustion chamber (c1) when the piston (4) is in the vicinity of bottom dead center; an auxiliary chamber base (9) within which an auxiliary combustion chamber (c2) that interconnects with the primary combustion chamber (c1) with an emission hole (9b) therebetween is demarcated; a fuel injection timing control means (12) that causes fuel gas (8a) to be injected into the primary combustion chamber (c1) when the piston (4)is positioned 10-100 DEG before top dead center and further causes fuel gas (8a) to be injected into the primary combustion chamber (c1) when the piston (4)is positioned at the vicinity of top dead center; and an ignition timing control means (12) that ignites an air-fuel mixture of air and fuel gas (8c) within the auxiliary combustion chamber (c2) when the piston (4) is positioned in the vicinity of top dead center.

Description

Two-stroke gas motor
Technical field
The present invention relates to two-stroke gas motor.
Background technique
In the past, be known to a kind of gas engine, it is using fuel gas such as rock gases as main fuel, using fuel oil such as light oil good compression ignite as pilot fuel, and spray this fuel oil and make this fuel oil spontaneous ignition in the firing chamber under high-temperature atmosphere, make thus the fuel gas as main fuel.In addition, as a kind of mode of this kind of gas engine, it is also known for a kind of duel fuel engine, it can switch arbitrarily gas operation mode and diesel oil operation mode, this gas operation mode makes fuel gas and makes engine running, and this diesel oil operation mode makes fuel oil combustion and makes engine running.
For example, disclose a kind of double-fuel diesel engine in patent documentation 1, it is the low cetane fuel poor compression ignites such as fuel gas as main fuel, and using fuel oil good compression ignite as pilot fuel.The motor of this patent documentation 1 possesses the fuel gas injection valve and the pilot fuel injection valve that in cylinder head, arrange, by from this fuel gas injection valve and pilot fuel injection valve towards firing chamber burner oil gas and pilot fuel, in the firing chamber of high temperature, make pilot fuel (fuel oil) spontaneous ignition, make thus main fuel (fuel gas) burning.
In addition, disclose a kind of gas engine in patent documentation 2, it is using fuel gas poor compression ignite as main fuel, and using the diesel fuel such as light oil or kerosene good compression ignite as pilot fuel.The fuel gas injection apparatus that the gas engine of this patent documentation 2 possesses the suction port that arranges in cylinder head and diesel fuel injection apparatus, arranges on cylinder perisporium.And, when the suction stroke that declines at piston, import air from suction port to firing chamber, and suitable period between the suction stroke later stage to compression stroke later stage is from fuel gas injection apparatus to firing chamber burner oil gas.And spray diesel fuel from diesel fuel injection apparatus to firing chamber near opportunity piston rises to top dead center, in firing chamber, make diesel fuel spontaneous ignition, make thus the fuel gas as main fuel.
In addition, a kind of duel fuel engine is for example disclosed in patent documentation 3, its for the premixed combustion mode (gas operation mode) that fuel gas and air is mixed flow in backward firing chamber and make fuel oil directly to spraying in firing chamber any fuel in the diffusion combustion mode (diesel oil operation mode) of burning can both tackle.In addition, in patent documentation 4, disclose a kind of toroidal swirl type and can carry out diesel oil operation mode and the duel fuel engine of the switching of pilot injection fuel ignition formula gas operation mode.
[formerly technical paper]
[patent documentation]
[patent documentation 1] Japan opens clear 62-45339 communique in fact
[patent documentation 2] Japanese kokai publication hei 6-137150 communique
[patent documentation 3] TOHKEMY 2008-202545 communique
[patent documentation 4] TOHKEMY 2008-51121 communique
Summary of the invention
[problem that invention will solve]
But the motor of above-mentioned patent documentation 1 is almost supplied with main fuel and pilot fuel near top dead center to firing chamber simultaneously, be therefore ejected into time that the main fuel in firing chamber do not stir and directly burning.Therefore, the combustion manner of this main fuel becomes diffusive combustion.The in the situation that of diffusive combustion, compared with the situation of pre-mixing combustion, be difficult to even burning, in the combustion zone of high temperature, there is the problem that easily produces NOx (nitrogen oxide).
In addition, the gas engine of above-mentioned patent documentation 2 is in order to increase to the air quantity sucking in firing chamber and the invention proposing., with respect to the situation that imported the mixed gas of fuel gas and air from suction port in the past, the invention of patent documentation 2 is from only air amount of suction port, and possesses separately fuel gas injection apparatus.And, by this fuel gas injection apparatus, stagger with the opportunity of suction stroke and to firing chamber burner oil gas, thereby the air quantity sucking in making from suction port to firing chamber increases, and realizes thus the raising of motor output.
Completely not open by promoting premix combination to suppress the technological thought of the generation of NOx (nitrogen oxide) in such patent documentation 2.
In addition, the motor of above-mentioned patent documentation 3,4 all, in gas operation mode, sprays in the firing chamber of high temperature a small amount of fuel oil as pilot fuel, and makes the fuel oil spontaneous ignition after injection, makes thus the fuel gas in firing chamber.Like this, making in the mode of fuel gas fuel oil as pilot fuel, the problem that exists the production of black smoke in gas operation mode or PM to increase.In addition, above-mentioned patent documentation 3,4 is all the invention taking four stroke engine as object, not as in the present invention taking two stroke engine as object.
The present invention is the invention proposing in view of the problem of prior art as described above, and its object is to provide a kind of two-stroke gas motor of the generation that can suppress black smoke or PM, NOx etc.
[for solving the scheme of problem]
The present invention is the invention proposing in order to realize object as described above,
Two-stroke gas motor of the present invention is characterised in that to possess:
Cylinder and cylinder head;
Piston, it is contained in described cylinder, and marks off main combustion chamber between the perisporium of itself and described cylinder and described cylinder head;
Fuel gas injection equipment, it is to described main combustion chamber burner oil gas;
Scavenging port, when it is opened near described piston is positioned at lower dead center on the perisporium of the air fed described cylinder of described main combustion chamber;
Concubine pipe fitting, is located at described cylinder head in it, go out the subsidiary combustion chamber being communicated with described main combustion chamber via spray orifice in internal separation, and is provided with spark plug in this subsidiary combustion chamber;
Fuel sprays control mechanism on opportunity, it is in gas operation mode, at described piston in the time that upward stroke and described piston are positioned in front of 10 °～100 ° of top dead center, by described fuel gas injection equipment to described main combustion chamber burner oil gas, and then near described piston is positioned at top dead center time, by described fuel gas injection equipment to described main combustion chamber burner oil gas;
Igniting control mechanism on opportunity, it makes described spark plug work near described piston is positioned at top dead center time, by the ignition of mixed gas of the fuel gas in subsidiary combustion chamber and air.
The two-stroke gas motor of the present invention forming like this, in the time that piston is positioned at 10 °～100 ° fronts of top dead center, sprays control mechanism burner oil gas on opportunity by fuel, thereby in main combustion chamber, generates mixed gas.In the process that the mixed gas generating further rises at piston, flow into subsidiary combustion chamber via the spray orifice of concubine pipe fitting.And, near piston is positioned at top dead center time,, in subsidiary combustion chamber, generates thus flame, and via spray orifice, this flame sprayed to main combustion chamber the ignition of mixed gas in subsidiary combustion chamber by igniting control mechanism on opportunity.And, near the fuel gas spraying while making thus piston be positioned at top dead center and the mixture combustion of main combustion chamber.
According to such the present invention, promote fuel gas that piston sprays while being positioned in front of 40 °～100 ° of top dead center and the premix combination of air, therefore the ratio that diffusive combustion occupies in burning entirety reduces, and can suppress the generation of NOx (nitrogen oxide).
In addition, do not use fuel oil and by spark plug, fuel gas lighted a fire, therefore can suppress the generation of black smoke or particulate matter (PM), and can realize the raising of fuel utilization performance.
In addition, in foregoing invention, expect that described two-stroke gas motor has to the fuel gas supply mechanism of described fuel gas injection equipment feed fuels gas, this fuel gas supply mechanism can be to described subsidiary combustion chamber feed fuels gas.
Like this, if also can feed fuels gas to subsidiary combustion chamber to the fuel gas supply mechanism of fuel gas injection equipment feed fuels gas, irrelevant with flow and the concentration etc. of the mixed gas flowing into subsidiary combustion chamber, can stably in subsidiary combustion chamber, generate flame.
[invention effect]
According to the present invention, a kind of two-stroke gas motor can be provided, in two-stroke gas motor, burner oil gas in the time that piston is positioned at 10 °～100 ° fronts of top dead center, promote thus the premix combination of fuel gas and air, and the mixed gas of fuel gas and air is not lighted a fire by spark plug with fuel oil, can suppress thus the generation of black smoke or PM, NOx etc., and fuel utilization performance also improves.
Brief description of the drawings
Fig. 1 is the plan view that represents the two-stroke gas motor of the first mode of execution of the present invention.
Fig. 2 A is the A-A cross section in Fig. 1.
Fig. 2 B is B-B cross section in Fig. 1.
The concubine pipe fitting of the first mode of execution of the present invention is amplified the sectional view representing by Fig. 3.
Fig. 4 is the sketch on work opportunity of injection opportunity of the fuel gas for the first mode of execution of the present invention is described and spark plug.
Fig. 5 is the sketch of the effect of the two-stroke gas motor for the first mode of execution of the present invention is described.
Fig. 6 is the concise and to the point sectional view that represents the two-stroke gas motor of the second mode of execution of the present invention.
The concubine pipe fitting of the second mode of execution of the present invention is amplified the sectional view representing by Fig. 7.
Fig. 8 is the sketch on work opportunity of injection opportunity of the fuel gas for the second mode of execution of the present invention is described and spark plug.
Embodiment
Below, based on accompanying drawing, embodiments of the present invention are described in detail.
But scope of the present invention is not defined as following mode of execution.Size, material, shape and the relative configuration thereof etc. of the component parts of recording in following mode of execution, as long as no special record, are not just the meanings that scope of the present invention is only defined in to this, are only illustrative examples.
< the first mode of execution >
Fig. 1 is the plan view that represents the two-stroke gas motor of the first mode of execution, and Fig. 2 A is the A-A cross section in Fig. 1, and Fig. 2 B is the B-B cross section in Fig. 1.In addition, the concubine pipe fitting of the first mode of execution is amplified the sectional view representing by Fig. 3, and Fig. 4 is the sketch on work opportunity of injection opportunity of the fuel gas for the first mode of execution is described and spark plug.First,, based on Fig. 1, Fig. 2 A, Fig. 2 B, Fig. 3 and Fig. 4, the structure of the two-stroke gas motor to the first mode of execution describes.
As shown in Figure 2 A and 2 B, the two-stroke gas motor 1 of present embodiment possess cylinder 2 cylindraceous, the cylinder head 3 of being combined with the upper end side of this cylinder 2 and accommodate into piston free to advance or retreat 4 in the inside of cylinder 2.And, between perisporium 2a, the roof 3a of cylinder head 3 of above-mentioned cylinder 2 and the end face 4a of piston 4, mark off main combustion chamber c1.It should be noted that, the symbol 5 in figure represents piston ring.
In addition, on the perisporium 2a of the lower side of cylinder 2, offer scavenging port 6.This scavenging port 6 is formed on the position of top side compared with near the end face 4a (figure double dot dash line represents) of the piston 4 being arranged in lower dead center, near piston 4 is positioned at lower dead center time, from scavenging port 6 to main combustion chamber c1 air supply.In addition, offer exhaust port at the top of cylinder head 3, and be provided with the outlet valve 7 that this exhaust port is opened and closed.This outlet valve 7 is opened when the scavenging stroke in upward stroke at piston 4, until piston 4 arrives the position of approximately 100 ° of the fronts of top dead center.And, by the air of supplying with from scavenging port 6 to main combustion chamber c1, the exhaust that remains in the last stroke in main combustion chamber c1 is carried out to scavenging.
In addition, the gas engine 1 of present embodiment is configured to duel fuel engine, and it can switch the gas operation mode that makes fuel gas and turn round and make fuel oil combustion and the diesel oil operation mode that turns round.And, in gas operation mode, spray the fuel gas injection apparatus 8 (fuel gas injection equipment) of the fuel gas such as rock gas to main combustion chamber c1 and be separately positioned in cylinder head 3 to the fuel oil injection apparatus 10 (fuel oil injection equipment) of the good fuel oil (not shown) of the compression ignites such as main combustion chamber c1 injection light oil equally.
As shown in Figure 1, above-mentioned fuel gas injection apparatus 8 and fuel oil injection apparatus 10 are formed with respectively 2 in the position that along the circumferential direction separates 180 ° taking cylinder axis o as rotating center.In addition, this fuel gas injection apparatus 8 is towards the direction identical with the alignment direction of above-mentioned scavenging port 6 and burner oil gas 8a, 8b.
In addition, as shown in Figure 2 A and 2 B, above-mentioned fuel gas injection apparatus 8 and fuel oil injection apparatus 10 are connected with control unit of engine (ECU) 12 via cable 14.In addition, ECU12 is connected with the crankshaft angle sensor 15 of the angle of rotation that detects bent axle 17 via cable 16.And, by receive the signal of the angle of rotation of bent axle 17 from crankshaft angle sensor 15, detect thus the phase place of piston 4.And, fuel gas injection apparatus 8 and fuel oil injection apparatus 10 based on from ECU12 send signal, regulation opportunity to main combustion chamber c1 burner oil gas 8a, 8b and fuel oil.
Particularly, in gas operation mode, at piston 4 in the time that upward stroke and piston 4 are positioned in front of 10 °～100 ° of top dead center, from ECU12 to fuel gas injection apparatus 8 transmitted signals, thereby as shown in Figure 4, from fuel gas injection apparatus 8 to main combustion chamber c1 burner oil gas 8b.In the process that rises at piston 4 of fuel gas 8b of spraying by mixing as mixed gas 20 with the air of the inside of main combustion chamber c1.Mixed gas 20 spreads in main combustion chamber c1, and also spreads to the subsidiary combustion chamber c2 being communicated with main combustion chamber c1 via spray orifice 9b.
In addition, near piston 4 is positioned at top dead center time, from ECU12 to fuel gas injection apparatus 8 transmitted signals, thereby from fuel gas injection apparatus 8 to main combustion chamber c1 burner oil gas 8a.The fuel that, ECU12 is equivalent in present embodiment sprays control mechanism on opportunity.And, as shown in Figure 4, near piston 4 is positioned at top dead center time, by the flame 9a of the spray orifice 9b ejection from concubine pipe fitting 9 described later, thereby in main combustion chamber c1, make fuel gas 8a and mixed gas 20 burn.
In addition, in diesel oil operation mode, near piston 4 is positioned at top dead center time, from ECU12 to fuel oil injection apparatus 10 transmitted signals, thereby from fuel oil injection apparatus 10 to main combustion chamber c1 burner oil oil.Then,, in the main combustion chamber c1 under high-temperature atmosphere, the fuel oil spontaneous ignition that compression ignite is good thus, makes fuel oil combustion in main combustion chamber c1.It should be noted that, in the present invention, near top dead center, refer to that piston 4 is positioned at from 10 ° of states to the scope of 20 ° of atdc of budc.
In the present invention, the number that arranges of fuel gas injection apparatus 8 and fuel oil injection apparatus 10 is not particularly limited, for example, can be 1.But, be provided with in the present embodiment of outlet valve 7 at the top of cylinder head 3, preferably by multiple fuel gas injection apparatus 8 and fuel oil injection apparatus 10 respectively along circumferencial direction uniformly-spaced to configure.
In addition, as shown in Figure 2 A, be connected with fuel gas supply pipe 36 on fuel gas injection apparatus 8, this fuel gas supply pipe 36 is connected with fuel gas bottle 34 via the regulator 32 of the delivery volume of adjustment fuel gas.And by regulating the aperture of regulator 32, thereby the fuel gas being stored in fuel gas bottle 34 with the state of pressurization is supplied with to fuel gas injection apparatus 8 via fuel gas supply pipe 36.,, by regulator 32, fuel gas bottle 34 and fuel gas supply pipe 36, form the fuel gas supply mechanism 30 to fuel gas injection apparatus 8 feed fuels gases.
In addition, as shown in Figure 2 B, be connected with fuel oil supply pipe 48 on fuel oil injection apparatus 10, this fuel oil supply pipe 48 is connected with the fuel tank 46 of storage fuel oil via common rail 42 and supply pump 44.And, by supply pump 44 pressurize and in common rail 42 fuel oil of the high pressure of pressure accumulation supply with to fuel oil injection apparatus 10 via fuel oil supply pipe 48.,, by common rail 42, supply pump 44, fuel tank 46 and fuel oil supply pipe 48, form the fuel oil supply mechanism 40 that supplies with the fuel oil of high pressure to fuel oil injection apparatus 10.
In addition, as shown in Fig. 1 and Fig. 2 A, in concubine pipe fitting 9, be located at cylinder head 3.The number that arranges of this concubine pipe fitting 9 is not particularly limited, but in the present embodiment, with respect to 1 fuel gas injection apparatus 8,2 concubine pipe fittings 9 is respectively set.In addition, as shown in Figure 3, this concubine pipe fitting 9 goes out subsidiary combustion chamber c2 in internal separation, and is provided with spark plug 11 on the top of this subsidiary combustion chamber c2.In addition, be equipped with spray orifice 9b at the front end of concubine pipe fitting 9, via this spray orifice 9b, subsidiary combustion chamber c2 and main combustion chamber c1 be communicated with.
In addition, as shown in Figure 2 A, concubine pipe fitting 9 is connected via cable 18 with ECU12.And, based on the signal sending from ECU12, on the opportunity of regulation, spark plug 11 is worked.Particularly, in gas operation mode, near piston 4 is positioned at top dead center time, from ECU12 to spark plug 11 transmitted signals, thereby as shown in Figure 4, the mixed gas in subsidiary combustion chamber c2 20 is lighted a fire and generates flame 9a., ECU12 is equivalent to the igniting control mechanism on opportunity in present embodiment.
Then,, based on Fig. 5, the effect of the two-stroke gas motor 1 of the first mode of execution of the present embodiment to such formation describes.Fig. 5 is the sketch of the effect of the two-stroke gas motor for the first mode of execution is described, (a) represent that piston 4 is positioned at the state of 10 °～100 ° of fronts of top dead center, (b) represent that piston 4 is positioned at the state of approximately 5 ° of fronts of top dead center, Cc) represent that piston 4 is positioned at the state of top dead center.
As mentioned above, the two-stroke gas motor 1 of present embodiment at piston 4 in the time that upward stroke and piston 4 are positioned in front of 10 °～100 ° of top dead center (state shown in Fig. 5 (a)), based on the signal sending from ECU12 (fuel sprays control mechanism on opportunity), from fuel gas injection apparatus 8 to main combustion chamber c1 burner oil gas 8b.Like this, if in the time that piston 4 is positioned in front of 10 °～100 ° of top dead center to main combustion chamber c1 burner oil gas 8b,, near process piston 4 further rises to top dead center, the fuel gas 8b of injection mixes with the air of the inside of main combustion chamber c1 and promotes premix combination.And, as shown in Fig. 5 (b), generate mixed gas 20 in the inside of main combustion chamber c1.
Then, near piston 4 arrives top dead center, for example, when (approximately 5 ° of fronts of top dead center), the signal that the ECU12 (fuel sprays control mechanism on opportunity) based on from above-mentioned sends, from fuel gas injection apparatus 8 burner oil gas 8a.In addition, the signal that the ECU12 (igniting control mechanism on opportunity) based on from above-mentioned sends, works spark plug 11, and the mixed gas in subsidiary combustion chamber c2 20 is lighted a fire.
So as mentioned above, the flame 9a generating in the inside of subsidiary combustion chamber c2 is from spray orifice 9b towards main combustion chamber c1 ejection, thus, the fuel gas 8a of injection and mixed gas 20 burn simultaneously.And, as shown in Fig. 5 (c), the fulminant burning that the entirety of generation main combustion chamber c1 is surrounded by flame f.
Like this, the two-stroke gas motor of present embodiment is burner oil gas 8b in the time that piston 4 is positioned at 10 °～100 ° fronts of top dead center, and, near burner oil gas 8a piston 4 is positioned at top dead center time, and spark plug 11 is worked.Therefore, promote the premix combination of fuel gas 8b that piston 4 sprays while being positioned in front of 10 °～100 ° of top dead center and air and generate mixed gas 20, a part for combustion manner becomes pre-mixing combustion thus.Therefore, compared with the existing gas engine that is all diffusive combustion with combustion manner, can suppress the generation of NOx (nitrogen oxide).
In addition, fuel gas is lighted a fire by spark plug 11 owing to not using fuel oil, therefore can suppress the generation of black smoke or particulate matter (PM), and can realize the raising of fuel utilization performance.
< the second mode of execution >
Then,, based on Fig. 6～Fig. 8, the two-stroke gas motor of the second mode of execution is described.Fig. 6 is the concise and to the point sectional view that represents the two-stroke gas motor of the second mode of execution, and the concubine pipe fitting of the second mode of execution is amplified the sectional view representing by Fig. 7.In addition, Fig. 8 is the sketch on work opportunity of injection opportunity of the fuel gas for the second mode of execution is described and spark plug.It should be noted that, the two-stroke gas motor 1 of present embodiment is and the two-stroke gas motor 1 of above-mentioned mode of execution same structure substantially, for same structure mark prosign and omit its detailed explanation.
The two-stroke gas motor 1 of present embodiment is different from above-mentioned mode of execution, as shown in Figure 6, in the fuel gas supply mechanism 30 being formed by regulator 32, fuel gas bottle 34 and fuel gas supply pipe 36, branch out branched pipe 36a from fuel gas supply pipe 36, this branched pipe 36a is connected with above-mentioned concubine pipe fitting 9.In addition, as shown in Figure 7, be provided with control valve 36b midway at branched pipe 36a.This control valve 36b is for example the solenoid electric valve being connected with ECU12, based on from ECU12 send signal and open and close.And, by control valve 36b is driven to valve, thus can be to the subsidiary combustion chamber c2 feed fuels gas going out in the internal separation of concubine pipe fitting 9.
As shown in Figure 8, the two-stroke gas motor 1 of present embodiment forming is like this suitable period in upward stroke at piston 4, by above-mentioned fuel gas supply mechanism 30 to subsidiary combustion chamber c2 feed fuels gas 8c.And, near piston 4 is positioned at top dead center time, from ECU12 to spark plug 11 transmitted signals, thereby as shown in Figure 8, the ignition of mixed gas of the fuel gas 8c in subsidiary combustion chamber c2 and air is generated to flame 9a.
Like this, if also can feed fuels gas to subsidiary combustion chamber c2 to the fuel gas supply mechanism 30 of fuel gas injection apparatus 8 (fuel gas injection equipment) feed fuels gas, irrelevant with flow and the concentration of the mixed gas 20 flowing into subsidiary combustion chamber c2, can stably in subsidiary combustion chamber c2, generate flame 9a.
Above, according to two-stroke gas motor of the present invention, can provide a kind of two-stroke gas motor as follows: burner oil gas when be positioned in front of 10 °～100 ° of top dead center at piston, promote thus the premix combination of fuel gas and air, and do not use fuel oil and by spark plug by the ignition of mixed gas of fuel gas and air, can suppress thus the generation of black smoke or PM, NOx etc., and fuel utilization performance also improves.
Above, preferred mode of the present invention is illustrated, but the present invention is not defined as above-mentioned mode, in the scope that does not depart from object of the present invention, can carries out various changes.
For example, in the above-described embodiment, for example understand the two-stroke gas motor of the present invention situation that is duel fuel engine, this duel fuel engine can switch the gas operation mode that makes fuel gas and turn round and make fuel oil combustion and the diesel oil operation mode that turns round.But two-stroke gas motor 1 of the present invention is not defined in this, only makes all the time the common gas engine that fuel gas turns round can be suitable for for not possessing fuel oil injection equipment 10 yet.
[industrial applicibility]
Two-stroke gas motor of the present invention can be suitable as, the generating of construction Machines, large vehicle and use etc., is especially suitable as marine engines.
Claims (according to the amendment of the 19th article of treaty)
1. a two-stroke gas motor, is characterized in that, possesses:
Cylinder and cylinder head;
Piston, it is contained in described cylinder, and marks off main combustion chamber between the perisporium of itself and described cylinder and described cylinder head;
Scavenging port, when it is opened near described piston is positioned at lower dead center on the perisporium of the air fed described cylinder of described main combustion chamber;
Concubine pipe fitting, is located at described cylinder head in it, go out the subsidiary combustion chamber being communicated with described main combustion chamber via spray orifice in internal separation, and is provided with spark plug in this subsidiary combustion chamber;
Fuel gas injection equipment, it is arranged on the outside of described subsidiary combustion chamber, not via described subsidiary combustion chamber directly to described main combustion chamber burner oil gas;
Fuel sprays control mechanism on opportunity, it is at described piston when near front upward stroke and described piston are positioned at top dead center, by described fuel gas injection equipment to described main combustion chamber burner oil gas, and then near described piston is positioned at top dead center time, by described fuel gas injection equipment to described main combustion chamber burner oil gas;
Igniting control mechanism on opportunity, it makes described spark plug work near described piston is positioned at top dead center time, by the ignition of mixed gas of the fuel gas in subsidiary combustion chamber and air.
2. two-stroke gas motor according to claim 1, is characterized in that,
Described two-stroke gas motor has to the fuel gas supply mechanism of described fuel gas injection equipment feed fuels gas, this fuel gas supply mechanism not only can be to described fuel gas injection equipment feed fuels gas, and can be to described subsidiary combustion chamber feed fuels gas.

Claims (2)

1. a two-stroke gas motor, is characterized in that, possesses:
Cylinder and cylinder head;
Piston, it is contained in described cylinder, and marks off main combustion chamber between the perisporium of itself and described cylinder and described cylinder head;
Fuel gas injection equipment, it is to described main combustion chamber burner oil gas;
Scavenging port, when it is opened near described piston is positioned at lower dead center on the perisporium of the air fed described cylinder of described main combustion chamber;
Concubine pipe fitting, is located at described cylinder head in it, go out the subsidiary combustion chamber being communicated with described main combustion chamber via spray orifice in internal separation, and is provided with spark plug in this subsidiary combustion chamber;
Fuel sprays control mechanism on opportunity, its at described piston in the time that upward stroke and described piston are positioned in front of 10 °～100 ° of top dead center, by described fuel gas injection equipment to described main combustion chamber burner oil gas, and then near described piston is positioned at top dead center time, by described fuel gas injection equipment to described main combustion chamber burner oil gas;
Igniting control mechanism on opportunity, it makes described spark plug work near described piston is positioned at top dead center time, by the ignition of mixed gas of the fuel gas in subsidiary combustion chamber and air.
2. two-stroke gas motor according to claim 1, is characterized in that,
Described two-stroke gas motor has to the fuel gas supply mechanism of described fuel gas injection equipment feed fuels gas, and this fuel gas supply mechanism can be to described subsidiary combustion chamber feed fuels gas.
CN201380010679.6A 2012-04-11 2013-02-07 2-cycle gas engine Pending CN104126061A (en)

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Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9172217B2 (en) 2010-11-23 2015-10-27 Woodward, Inc. Pre-chamber spark plug with tubular electrode and method of manufacturing same
US9476347B2 (en) 2010-11-23 2016-10-25 Woodward, Inc. Controlled spark ignited flame kernel flow in fuel-fed prechambers
US8584648B2 (en) 2010-11-23 2013-11-19 Woodward, Inc. Controlled spark ignited flame kernel flow
US9856848B2 (en) 2013-01-08 2018-01-02 Woodward, Inc. Quiescent chamber hot gas igniter
US9765682B2 (en) 2013-06-10 2017-09-19 Woodward, Inc. Multi-chamber igniter
DK178962B1 (en) * 2013-10-23 2017-07-03 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland A self-igniting internal combustion engine having a gaseous fuel supply system with pilot oil injection
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EP3081790A1 (en) * 2015-02-20 2016-10-19 Winterthur Gas & Diesel Ltd. Dual-fuel marine combustion engine with exhaust gas recirculation for suppressing pre-ignition
US9840963B2 (en) 2015-03-20 2017-12-12 Woodward, Inc. Parallel prechamber ignition system
US9653886B2 (en) 2015-03-20 2017-05-16 Woodward, Inc. Cap shielded ignition system
US9890689B2 (en) * 2015-10-29 2018-02-13 Woodward, Inc. Gaseous fuel combustion
DK179162B1 (en) * 2016-05-02 2017-12-18 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland An internal combustion engine of two-stroke crosshead type, and a method of direct injection of fuel and water into a combustion chamber
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KR102196375B1 (en) 2018-10-25 2020-12-29 채교영 Smart display apparatus
WO2020157538A1 (en) * 2019-01-28 2020-08-06 Wärtsilä Services Switzerland Ltd Fuel injection system and method of operating piston engine
WO2021110229A1 (en) * 2019-12-06 2021-06-10 Man Energy Solutions, Filial Af Man Energy Solutions Se, Tyskland, København Sv Internal combustion engine
JP2022045147A (en) * 2020-09-08 2022-03-18 株式会社やまびこ Two-stroke engine comprising ignition device
US11739702B2 (en) * 2021-02-23 2023-08-29 Aramco Services Company Reheated residual gas ignitor
WO2022208578A1 (en) * 2021-03-29 2022-10-06 三菱自動車工業株式会社 Engine control device
CN117136273A (en) * 2021-03-29 2023-11-28 三菱自动车工业株式会社 Engine control device
WO2022208577A1 (en) * 2021-03-29 2022-10-06 三菱自動車工業株式会社 Engine control device
WO2022208576A1 (en) * 2021-03-29 2022-10-06 三菱自動車工業株式会社 Engine control device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06618Y2 (en) * 1987-11-27 1994-01-05 三菱重工業株式会社 Fuel system for gas-fired diesel engine
CN1228827A (en) * 1996-08-30 1999-09-15 费希特股份有限公司 Liquid gas engine
JP2002188447A (en) * 2000-12-21 2002-07-05 Nissan Motor Co Ltd Internal combustion engine of direct in cylinder fuel injection
US20080196689A1 (en) * 2007-01-12 2008-08-21 Econo Plug Technologies, Inc. Method and Apparatus for Incorporation of a Flame Front - Type Ignition System Into an Internal Combustion Engine
WO2009114327A1 (en) * 2008-03-12 2009-09-17 Cameron International Corporation Internal combustion engine with shrouded injection valve and precombustion chamber system
JP2012038524A (en) * 2010-08-05 2012-02-23 Osaka Gas Co Ltd Ignition plug, and engine having thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6245339A (en) 1985-08-23 1987-02-27 Sumitomo Chem Co Ltd Method of dehydrating organic solvent
JPS63183217A (en) * 1987-01-21 1988-07-28 Haruyama Jikou:Kk Internal combustion engine
JPH01227817A (en) * 1988-03-09 1989-09-12 Kioritz Corp Two cycle uniflow spark ignition engine
JPH04132857A (en) * 1990-09-25 1992-05-07 Mazda Motor Corp Fuel feeding device for engine
JPH06137150A (en) 1992-10-23 1994-05-17 Ishikawajima Shibaura Mach Co Ltd Fuel supply device for gas engine
JPH0791256A (en) * 1993-09-24 1995-04-04 Kubota Corp Fuel injection device for spark ignition engine incorporating counter combustion chamber type
JP3310735B2 (en) * 1993-09-27 2002-08-05 三菱重工業株式会社 Cooling system for sub-chamber diesel engine
JPH09291827A (en) * 1996-04-30 1997-11-11 Yamaha Motor Co Ltd Two-cycle engine
US6161525A (en) * 1996-08-30 2000-12-19 Ficht Gmbh & Co. Kg Liquid gas engine
US6401688B2 (en) * 2000-01-27 2002-06-11 Nissan Motor Co., Ltd. Auto-ignition combustion management in internal combustion engine
JP2002004865A (en) * 2000-06-23 2002-01-09 Fuji Heavy Ind Ltd Two-cycle engine
FR2846041B1 (en) * 2002-10-18 2006-06-09 Peugeot Citroen Automobiles Sa OVERHEATING INTERNAL COMBUSTION ENGINE AND PRECHARROW CANDLE, IGNITION METHOD, AND APPLICATION
US6840237B2 (en) * 2002-12-30 2005-01-11 Ford Global Technologies, Llc Method for auto-ignition operation and computer readable storage device
US7624569B2 (en) * 2005-10-03 2009-12-01 Caterpillar Inc. Engine system including multipe engines and method of operating same
JP2008202545A (en) 2007-02-21 2008-09-04 Mitsubishi Heavy Ind Ltd Dual fuel engine
JP4370586B2 (en) 2007-12-04 2009-11-25 明男 石田 Dual operation mode engine system
JP2009209902A (en) * 2008-03-06 2009-09-17 Nissan Motor Co Ltd Auxiliary chamber type internal combustion engine and its combustion method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06618Y2 (en) * 1987-11-27 1994-01-05 三菱重工業株式会社 Fuel system for gas-fired diesel engine
CN1228827A (en) * 1996-08-30 1999-09-15 费希特股份有限公司 Liquid gas engine
JP2002188447A (en) * 2000-12-21 2002-07-05 Nissan Motor Co Ltd Internal combustion engine of direct in cylinder fuel injection
US20080196689A1 (en) * 2007-01-12 2008-08-21 Econo Plug Technologies, Inc. Method and Apparatus for Incorporation of a Flame Front - Type Ignition System Into an Internal Combustion Engine
WO2009114327A1 (en) * 2008-03-12 2009-09-17 Cameron International Corporation Internal combustion engine with shrouded injection valve and precombustion chamber system
JP2012038524A (en) * 2010-08-05 2012-02-23 Osaka Gas Co Ltd Ignition plug, and engine having thereof

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